Defn: A salt of pectic acid.

PECTEN
Pec"ten, n. Etym: [L. pecten, -inis, a comb, a kind of shellfish. See
Pectinate.]

1. (Anat.) (a) A vascular pigmented membrane projecting into the vitreous humor within the globe of the eye in birds, and in many reptiles and fishes; — also called marsupium. (b) The pubic bone.

2. (Zoöl.)

Defn: Any species of bivalve mollusks of the genus Pecten, and numerous allied genera (family Pectinidæ); a scallop. See Scallop.

3. (Zoöl.)

Defn: The comb of a scorpion. See Comb, 4 (b).

PECTIC
Pec"tic, a. Etym: [Gr. (Chem.)

Defn: Of or pertaining to pectin; specifically, designating an acid obtained from ordinary vegetable jelly (pectin) as an amorphous substance, tough and horny when dry, but gelatinous when moist.

PECTIN
Pec"tin, n. Etym: [Gr. pectine.] (Chem.)